CN114735187B

CN114735187B - Common-type separated cooling system

Info

Publication number: CN114735187B
Application number: CN202210260939.6A
Authority: CN
Inventors: 夏俊杰; 陶海坤; 郑开元; 陈聪; 姚露; 田春平; 韩灿峰
Original assignee: 719th Research Institute of CSIC
Current assignee: 719th Research Institute of CSIC
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2023-03-24
Anticipated expiration: 2042-03-11
Also published as: CN114735187A

Abstract

The utility model relates to a common-type separated cooling system, which comprises a condenser and an evaporator, wherein the condenser comprises a steam inlet section, a condensation reflux section and a condensation section, the condensation section is arranged between the steam inlet section and the condensation reflux section and outside the cabin, one ends of the steam inlet section and the condensation reflux section, which are far away from the condensation section, are arranged in the cabin, and the steam inlet section, the condensation reflux section and the condensation section are enclosed to form an installation cavity; the evaporator is arranged in the mounting cavity, the upper end of the evaporator supports against the steam inlet section, the lower end of the evaporator supports against the condensation reflux section, a first channel communicated with the steam inlet section and the condensation reflux section and a second channel communicated with the heat source are arranged in the evaporator, and the first channel is not communicated with the second channel. The whole process reduces the connection of pipelines, reduces the whole weak links, and greatly improves the pressure bearing capacity and the sealing reliability of the system.

Description

Common-type separated cooling system

Technical Field

The application relates to the field of cooling, in particular to a common-type separated cooling system.

Background

At present, cooling systems are arranged on ships, ocean platforms and the like, and the cooling systems have the functions of guiding heat generated in the working process of equipment such as a power system acting equipment, an air conditioner and an electric equipment out of a ship board so as to maintain the normal operation of the equipment and the equipment. For corrosion protection and safety, the equipment is usually cooled directly by closed cycle, the direct cooling medium is usually clean fresh water, and the heat exchanger is then used to transfer the heat of the fresh water to the ambient air or cooling water. The traditional cooling system mainly comprises a water diversion port, a circulating pump, a heat exchanger, a discharge port, a pipeline, accessories and the like. Cooling medium is pumped into the heat exchanger through the water inlet by the circulating pump in a pressurizing way, and is discharged after heat exchange with heat source medium (clean fresh water in a closed loop) is completed in the heat exchanger;

fig. 1 is a typical schematic diagram of a conventional cooling system, which mainly comprises a cooling medium inlet 60, an inlet stop valve 50, a circulation pump 40, a heat exchanger 30, a flow regulating valve 20, an outlet stop valve 10, a cooling medium outlet 70, and connecting pipelines between the components. It can be seen that so many equipment accessories occupy a large amount of cabin space. And as the drift diameter and the pressure are increased, the wall thicknesses of the pipeline, the pump body and the valve are obviously increased, and the size and the weight are increased. Traditional cooling system need be with the inboard cooling water introduction cabin (the condenser is arranged in the extravehicular then need derive the extra-vehicular with working medium), must set up the pipeline and pass the bulkhead, and each equipment annex need adopt flange joint, and need connect and seal between each parts of self such as heat exchanger, circulating pump and valve, has a large amount of weak links, greatly influences system pressure-bearing capacity and sealing reliability.

Disclosure of Invention

The embodiment of the application provides a separating cooling system of type altogether to there are a large amount of weak links in solving the correlation technique, greatly influence the problem of system pressure-bearing capacity and sealing reliability.

A co-molded split cooling system is provided, comprising:

the condenser comprises a steam inlet section, a condensation reflux section and a condensation section, wherein the condensation section is arranged between the steam inlet section and the condensation reflux section and is arranged outside the cabin, one ends of the steam inlet section and the condensation reflux section, which are far away from the condensation section, are arranged in the cabin, and the steam inlet section, the condensation reflux section and the condensation section are enclosed to form an installation cavity;

the evaporator is arranged in the mounting cavity, the upper end of the evaporator supports against the steam inlet section, the lower end of the evaporator supports against the condensation reflux section, a first channel communicated with the steam inlet section and the condensation reflux section and a second channel communicated with a heat source are arranged in the evaporator, and the first channel and the second channel are not communicated.

In some embodiments, the evaporator comprises a plurality of circulation pipes, an outer shell, and a heat source inlet and a heat source outlet arranged on the outer shell, wherein the circulation pipes are arranged inside the outer shell and communicated with the steam inlet section and the condensation reflux section to form the first channel;

the second channel is formed between the outer wall of the circulating pipe and the inner wall of the shell and is communicated with the heat source through the heat source inlet and the heat source outlet.

In some embodiments, further comprising:

the bearing plate, be equipped with the mounting hole on the bearing plate, steam gets into section and condensation reflux section and inserts in the mounting hole, the lateral wall and the cabin side wall of bearing plate are connected.

In some embodiments, further comprising:

one side of the pressure bearing plate facing the inside of the cabin is attached to the evaporator, and one side of the pressure bearing plate facing the outside of the cabin is attached to the condensation section.

In some embodiments, the pressure bearing plate and the cabin body are connected by welding.

In some embodiments, fins are provided on a side of the condensation section facing the outside of the tank.

In some embodiments, the fins are arranged in a staggered array on the condensing section.

In some embodiments, the fins are airfoil shaped in cross-section.

In some embodiments, the fins are disposed perpendicular to the condenser section.

In some embodiments, a wick is disposed within the condensate return section and/or the condenser section.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a common-type separated cooling system, as the condensation section is directly arranged outside the cabin, seawater is not required to be introduced for cooling, and the evaporator is positioned in the installation cavity enclosed by the steam inlet section, the condensation reflux section and the condensation section and is used for supporting the condenser, the connection of pipelines is reduced in the whole process, the whole weak link is reduced, and the pressure-bearing capacity and the sealing reliability of the system are greatly improved;

in addition, because the first channel and the second channel which are not communicated with each other are arranged, even if one channel is damaged, the operation of the other channel cannot be influenced, and the overhaul and the maintenance are convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a conventional cooling system;

FIG. 2 is a schematic structural diagram of a split cooling system of the common type provided in an embodiment of the present application;

fig. 3 is a right side view provided by an embodiment of the present application.

In the figure: 1. a condenser; 11. a steam entry section; 12. a condensation reflux section; 13. a condensing section; 2. a mounting cavity; 3. an evaporator; 4. a heat source inlet; 5. a heat source outlet; 6. a circulation pipe; 7. a pressure bearing plate; 8. mounting holes; 9. ribs; 10. an outlet shutoff valve; 20. a flow regulating valve; 30. a heat exchanger; 40. a circulation pump; 50. an inlet shutoff valve; 60. a cooling medium inlet; 70. and a cooling medium outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a separating cooling system of type altogether, and it has a large amount of weak links among the correlation technique to solve, greatly influences the problem of system pressure-bearing capacity and sealing reliability.

In order to solve the above problems, please refer to fig. 2-3, the present application provides a common type separation cooling system, which includes a condenser 1 and an evaporator 3, where the condenser 1 includes a steam inlet section 11, a condensing reflux section 12 and a condensing section 13, where the condensing section 13 is disposed between the steam inlet section 11 and the condensing reflux section 12 and outside the cabin, one ends of the steam inlet section 11 and the condensing reflux section 12 far away from the condensing section 13 are disposed in the cabin, and the steam inlet section 11, the condensing reflux section 12 and the condensing section 13 enclose to form an installation cavity 2; the evaporator 3 is arranged in the installation cavity 2, the upper end of the evaporator 3 abuts against the steam inlet section 11, the lower end of the evaporator 3 abuts against the condensation reflux section 12, a first channel communicated with the steam inlet section 11 and the condensation reflux section 12 and a second channel communicated with a heat source are arranged in the evaporator 3, and the first channel and the second channel are not communicated.

In this application, regard as a part of bulkhead with whole disconnect-type cooling system, and directly set up condensation segment 13 outside the cabin, this design need not to introduce the under-deck with the cooling water (the condenser is arranged in outside the cabin then need derive the cabin with working medium outside), owing to there are leading-in and derivation, must set up the pipeline and pass the bulkhead, each equipment annex need adopt flange joint, and the heat exchanger, need to be connected and sealed between self each parts such as circulating pump and valves, there are a large amount of weak links, greatly influence system pressure-bearing capacity and sealing reliability.

In the present application, the whole split cooling system is directly used as a part of the bulkhead, and the condenser 1 includes a steam inlet section 11, a condensate return section 12 and a condensation section 13, and one end of the steam inlet section 11 and one end of the condensate return section 12 far away from the condensation section 13 are all arranged in the cabin, so that the whole steam flowing through the condenser 1 or the liquid cooled by the condenser 1 does not need to be led out or led in through a pipeline.

Since the whole split cooling system is part of the bulkhead, the condenser 1 is subjected to not only the pressure of the seawater but also the pressure from the bulkhead, and therefore, in order to improve the pressure-bearing effect of the condenser 1, in the present application, the upper end of the evaporator 3 is supported against the steam inlet section 11, and the lower end of the evaporator 3 is supported against the condensate return section 12.

In the application, the working medium of the heat pipe exists in the first channel, the heat absorption of the working medium of the heat pipe is changed into a gas state, and the heat dissipation of the working medium of the heat pipe is changed into a liquid state, so that the working principle of the common-type separated cooling system in the application is as follows:

the heat source substance from the cabin body enters the second channel, at the moment, the heat pipe working medium in the first channel absorbs heat and changes into a gas state, the gas state enters the condensation section 13 through the steam inlet section 11, the condensation section 13 is placed in seawater or lake water, the seawater or lake water cools the condensation section 13, so that the heat of the gas state heat pipe working medium is transferred to the seawater or lake water, the condensation is in a liquid state, and the gas state heat pipe working medium flows back into the first channel through the condensation backflow section 12.

Further, the evaporator 3 comprises a plurality of circulating pipes 6, a shell, and a heat source inlet 4 and a heat source outlet 5 which are arranged on the shell, wherein the circulating pipes 6 are arranged inside the shell and are communicated with the steam inlet section 11 and the condensation reflux section 12 to form the first channel;

the second passage is formed between the outer wall of the circulation pipe 6 and the inner wall of the housing, and the second passage is communicated with the heat source through the heat source inlet 4 and the heat source outlet 5.

The whole shell is arranged inside the mounting cavity 2, the steam inlet section 11 and the condensation reflux section 12 can be connected in a welding mode, and therefore the whole split cooling system is compact in structure, small in occupied space and free of multiple pipeline connections, and the whole split cooling system has good pressure bearing capacity.

The heat source working medium in the cabin body enters through the heat source inlet 4, then flows between the outer wall of the circulating pipe 6 and the inner wall of the shell for heat exchange, and is discharged through the heat source outlet 5, and in the whole heat exchange and heat dissipation process, the heat source substance of the cabin body is not in contact with the heat pipe working medium.

Further, this application still includes pressure-bearing plate 7, be equipped with mounting hole 8 on the pressure-bearing plate 7, steam enters section 11 and condensation reflux section 12 and inserts in the mounting hole 8, the lateral wall and the bulkhead of pressure-bearing plate 7 are connected. .

In this application, because condenser 1 will bear the pressure of sea water and the pressure of bulkhead, through insert steam entering section 11 and condensate return section 12 in the mounting hole 8, can directly adopt the welding mode to fix condenser 1 on bearing plate 7 for the pressure of bulkhead only transmits bearing plate 7, has reduced the bulkhead to condenser 1's extrusion force, prevents its deformation.

Further, one side of the pressure bearing plate 7 facing the inside of the cabin is attached to the evaporator 3, and one side of the pressure bearing plate 7 facing the outside of the cabin is attached to the condensation section 13.

Through the laminating setting, the compactness of overall structure installation has been guaranteed.

When assembling the separated cooling system of the common type in this application on the cabin body, because whole weight ratio is lighter, and it is little to take up space, consequently inserts steam entering section 11 and condensation reflux section 12 earlier in general in the mounting hole 8 to the welding, then with bearing plate 7 welding on the bulkhead, adopt earlier assembly, integrative welding mode in back guarantees holistic sealed effect and resistance to compression effect.

Furthermore, fins 9 are arranged on the side of the condensation section 13 facing the outside of the cabin, and the fins 9 are used as an expansion surface for enhanced heat exchange.

On the basis of the above embodiment, the fins 9 are arranged in a staggered array on the condensation section 13 to facilitate natural convection of the outboard cooling medium.

Furthermore, the section of the rib 9 is in an airfoil shape, and is similar to the fluid shape of an airplane wing, so that the incident flow resistance is reduced, and the self-flow operation heat exchange capacity is increased.

In particular, the fins 9 are arranged perpendicular to the condensation section 13.

The cooling system can have two operation modes of passive flow and gravity flow: when the ship is stationary or applied to an ocean platform, the density difference caused by heat exchange is used for driving the cooling medium to flow upwards around the fins 9; when the ship sails, the cooling medium sweeps the condensing section 13 and the fins 9 outwards by utilizing the relative movement between the ship and the outboard fluid when the ship sails, and the heat exchange with the cooling medium is realized. Both modes do not require a pump source to drive the forced flow.

In this application, be provided with the imbibition core in the condensation reflux section 12, and/or, be provided with the imbibition core in the condensation section 13, the direct purchase of imbibition core for current product, its effect that acts as the capillary pump utilizes the surface tension of liquid to send back the heat pipe working medium to the first passageway from condensation section 13 or condensation reflux section 12 in to avoid transmission process part condensation to lead to the flow resistance to increase.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A split cooling system of the conformal type, comprising:

the condenser (1) comprises a steam inlet section (11), a condensation reflux section (12) and a condensation section (13), wherein the condensation section (13) is arranged between the steam inlet section (11) and the condensation reflux section (12) and outside the cabin, one ends of the steam inlet section (11) and the condensation reflux section (12) far away from the condensation section (13) are arranged in the cabin, the steam inlet section (11), the condensation reflux section (12) and the condensation section (13) are enclosed, and a mounting cavity (2) is formed;

the evaporator (3) is arranged in the installation cavity (2), the upper end of the evaporator (3) abuts against the steam inlet section (11), the lower end of the evaporator (3) abuts against the condensation reflux section (12), a first channel communicated with the steam inlet section (11) and the condensation reflux section (12) and a second channel communicated with a heat source are arranged in the evaporator (3), and the first channel and the second channel are not communicated;

pressure-bearing plate (7), be equipped with mounting hole (8) on pressure-bearing plate (7), steam gets into section (11) and condensate return section (12) and inserts in mounting hole (8), the lateral wall and the bulkhead of pressure-bearing plate (7) are connected.

2. A split cooling system of the common type as set forth in claim 1, wherein:

the evaporator (3) comprises a plurality of circulating pipes (6), an outer shell, and a heat source inlet (4) and a heat source outlet (5) which are arranged on the outer shell, wherein the circulating pipes (6) are arranged inside the outer shell and are communicated with the steam inlet section (11) and the condensation reflux section (12) to form the first channel;

the second channel is formed between the outer wall of the circulating pipe (6) and the inner wall of the shell and is communicated with the heat source through the heat source inlet (4) and the heat source outlet (5).

3. A co-type split cooling system as set forth in claim 1, further comprising:

one side of the pressure bearing plate (7) facing the inside of the cabin is attached to the evaporator (3), and one side of the pressure bearing plate (7) facing the outside of the cabin is attached to the condensation section (13).

4. A split cooling system of the conformal type as set forth in claim 3, wherein: the pressure bearing plate (7) is connected with the cabin body in a welding mode.

5. A split cooling system of the common type as set forth in claim 1, wherein: fins (9) are arranged on one side of the condensation section (13) facing the outside of the cabin.

6. A split cooling system of the common type as set forth in claim 5, wherein: the fins (9) are arranged on the condensation section (13) in a staggered array.

7. A split cooling system of the common type as set forth in claim 5, wherein: the section of the rib (9) is in an airfoil shape.

8. A split cooling system of the common type as set forth in claim 5, wherein: the fins (9) are arranged perpendicular to the condensation section (13).

9. A split cooling system of the common type as set forth in claim 1, wherein: a liquid suction core is arranged in the condensation reflux section (12) and/or the condensation section (13).